along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
-<refentry id="timedatectl" conditional='ENABLE_TIMEDATED'>
+<refentry id="timedatectl" conditional='ENABLE_TIMEDATED'
+ xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>timedatectl</title>
<para><command>timedatectl</command> may be used to
query and change the system clock and its
settings.</para>
+
+ <para>Use
+ <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ to initialize the system time zone for mounted (but not
+ booted) system images.</para>
</refsect1>
<refsect1>
<para>The following options are understood:</para>
<variablelist>
- <varlistentry>
- <term><option>-h</option></term>
- <term><option>--help</option></term>
-
- <listitem><para>Prints a short help
- text and exits.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>--version</option></term>
-
- <listitem><para>Prints a short version
- string and exits.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>--no-pager</option></term>
-
- <listitem><para>Do not pipe output into a
- pager.</para></listitem>
- </varlistentry>
-
<varlistentry>
<term><option>--no-ask-password</option></term>
- <listitem><para>Don't query the user
+ <listitem><para>Do not query the user
for authentication for privileged
operations.</para></listitem>
</varlistentry>
- <varlistentry>
- <term><option>-H</option></term>
- <term><option>--host</option></term>
-
- <listitem><para>Execute the operation
- remotely. Specify a hostname, or
- username and hostname separated by @,
- to connect to. This will use SSH to
- talk to a remote
- system.</para></listitem>
- </varlistentry>
-
<varlistentry>
<term><option>--adjust-system-clock</option></term>
<listitem><para>If
<command>set-local-rtc</command> is
- invoked and this option is passed the
+ invoked and this option is passed, the
system clock is synchronized from the
RTC again, taking the new setting into
- account. Otherwise the RTC is
+ account. Otherwise, the RTC is
synchronized from the system
clock.</para></listitem>
</varlistentry>
+
+ <xi:include href="user-system-options.xml" xpointer="host" />
+ <xi:include href="user-system-options.xml" xpointer="machine" />
+
+ <xi:include href="standard-options.xml" xpointer="help" />
+ <xi:include href="standard-options.xml" xpointer="version" />
+ <xi:include href="standard-options.xml" xpointer="no-pager" />
</variablelist>
<para>The following commands are understood:</para>
<listitem><para>Set the system time
zone to the specified value. Available
- time zones can be listed with
+ timezones can be listed with
<command>list-timezones</command>. If
the RTC is configured to be in the
- local time this will also update the
+ local time, this will also update the
RTC time. This call will alter the
<filename>/etc/localtime</filename>
symlink. See
<listitem><para>List available time
zones, one per line. Entries from the
list can be set as the system
- time zone with
+ timezone with
<command>set-timezone</command>.</para></listitem>
</varlistentry>
<term><command>set-local-rtc [BOOL]</command></term>
<listitem><para>Takes a boolean
- argument. If <literal>0</literal> the
+ argument. If <literal>0</literal>, the
system is configured to maintain the
- RTC in universal time, if
- <literal>1</literal> it will maintain
+ RTC in universal time. If
+ <literal>1</literal>, it will maintain
the RTC in local time instead. Note
that maintaining the RTC in the local
- time zone is not fully supported and
+ timezone is not fully supported and
will create various problems with time
zone changes and daylight saving
- adjustments. If at all possible use
- RTC in UTC. Note that invoking this
+ adjustments. If at all possible, keep the
+ RTC in UTC mode. Note that invoking this
will also synchronize the RTC from the
system clock, unless
<option>--adjust-system-clock</option> is
<refsect1>
<title>Exit status</title>
- <para>On success 0 is returned, a non-zero failure
+ <para>On success, 0 is returned, a non-zero failure
code otherwise.</para>
</refsect1>
- <refsect1>
- <title>Environment</title>
-
- <variablelist class='environment-variables'>
- <varlistentry>
- <term><varname>$SYSTEMD_PAGER</varname></term>
- <listitem><para>Pager to use when
- <option>--no-pager</option> is not given;
- overrides <varname>$PAGER</varname>. Setting
- this to an empty string or the value
- <literal>cat</literal> is equivalent to passing
- <option>--no-pager</option>.</para></listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
+ <xi:include href="less-variables.xml" />
<refsect1>
<title>Examples</title>
<para>Show current settings:
- <programlisting>
-$ timedatectl
+ <programlisting>$ timedatectl
Local time: Fri, 2012-11-02 09:26:46 CET
Universal time: Fri, 2012-11-02 08:26:46 UTC
RTC time: Fri, 2012-11-02 08:26:45
Next DST change: CET → CEST, DST will become active
the clock will jump one hour forward
Sun, 2013-03-31 01:59:59 CET
- Sun, 2013-03-31 03:00:00 CEST
- </programlisting>
+ Sun, 2013-03-31 03:00:00 CEST</programlisting>
</para>
<para>Enable an NTP daemon (chronyd):
- <programlisting>
-$ timedatectl set-ntp true
+ <programlisting>$ timedatectl set-ntp true
==== AUTHENTICATING FOR org.freedesktop.timedate1.set-ntp ===
Authentication is required to control whether network time synchronization shall be enabled.
Authenticating as: user
Password: ********
-==== AUTHENTICATION COMPLETE ===
- </programlisting>
+==== AUTHENTICATION COMPLETE ===</programlisting>
- <programlisting>
-$ systemctl status chronyd.service
+ <programlisting>$ systemctl status chronyd.service
chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled)
Active: active (running) since Fri, 2012-11-02 09:36:25 CET; 5s ago
-...
- </programlisting>
+...</programlisting>
</para>
</refsect1>
<citerefentry><refentrytitle>date</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd-timedated.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>systemd-timedated.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>